cve.bz

CVE-2021-35516

7.5 highEPSS 12%

High (7.5). EPSS 12% chance of exploitation in the next 30 days. Fixed in org.apache.commons:commons-compress 1.21.

When reading a specially crafted 7Z archive, Compress can be made to allocate large amounts of memory that finally leads to an out of memory error even for very small inputs. This could be used to mount a denial of service attack against services that use Compress' sevenz package.

Severity

CVSS 3.1

7.5 high
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
12% chance of exploitation in the next 30 days; higher than 96% of CVEs (scores of 2026-10-31)
CWEs
CWE-770, CWE-130
Published
Modified
Record from
the NVD, synced

Affected

Packages (OSV)

AdvisoryEcosystemPackageAffectedFixed in
GHSA-crv7-7245-f45fMavenorg.apache.commons:commons-compress<1.211.21

References

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